PhD: Cornell University, Ithaca, NY, 2018 Advisor: Monica Geber Master of Science: University of Vermont, Burlington, VT, 2011 Advisor: Alison Brody Bachelor of Science: University of New Hampshire, Durham NH , 2006
Publications
Petipas, R.H., A.A. Antoch, A. Eaker, H. Kehlet-Delgado, M.L. Friesen. Back to the future: Using herbarium specimens to isolate nodule-associated bacteria. In review at Ecology and Evolution 2024.
Petipas, R.H., C. Peru, J.M. Parks, M.L. Friesen, C.N. Jack. Prairie soil affects establishment and flowering in wheat but these effects are not mediated by microbes. In review at Canadian Journal of Microbiology 2024.
Petipas, R.H., H. Kehlet-Delgado, A.A. Antoch, M.L. Friesen. Genome sequences of two Microvira species isolated from nodules found on herbarium specimens collected in 2004 and 2015. In review at Microbiology Resource Announcements 2024. Petipas, R.H., S.A. Higgins, C. Koechli, S.J. Depenport, M.A. Geber, D.H. Buckley. An exploration of how plant and soil characteristics shape the Hypericum perforatum microbiome in two habitats. Accepted minor revisions Plant Ecology 2024.
Li, X., R.H. Petipas, A.A Antoch, Y. Liu, H.V. Stel, L. Bell-Dereske, D. N. Smercina, S.E. Evans, L.K. Tiemann, M.L. Friesen. 2022. Switchgrass cropping systems affect soil carbon and nitrogen and microbial diversity and activity on marginal lands. GCB Bioenergy 14: 918-940
Petipas, R.H., M.A. Geber, J.A. Lau. 2021. Microbe-mediated adaptation in plants. Ecology Letters 24: 1302-1317
Jack, C.H.*, R.H. Petipas*, J.L. Rowland, T.E. Cheeke, and M.L. Friesen. 2021. Crop Inoculants: Silver Bullet or Microbial Jurassic Park? Trends in Microbiology 29: 299-308
Petipas, R.H., A.C. Wruck, M.A. Geber. 2020. Microbe mediated adaptation to limestone barrens is context dependent. Ecology 101: 1-12
Aguillon, S.M., G.F. Siegmund, R.H. Petipas, A.G. Drake, S. Cotner, C.J. Ballen. 2020. Gender differences in student participation in an active learning classroom. CBE—Life Sciences Education 19:1-10
Petipas, R.H, A.W. Bowsher, C. Bekkerring, C.N. Jack, E.E. McLachlan, R.A. White, B.S. Younginger, L.K. Tiemann, S.E. Evans, M.L. Friesen. 2020. Interactive effects of microbes and nitrogen on Panicum virgatum root functional traits and patterns of phenotypic selection. International Journal of Plant Science 181: 20-32
Ballen, C.J., S.M. Aguillon, A. Awwad, A.E. Bjune, D. Challou, A.G. Drake, M. Driessen, A. Ellozy, V.E. Ferry, E.E. Goldberg, W. Harcombe, C. Jørgensen, Z. Koth, S. McGaugh, C. Mitry, B. Mosher, H. Mostafa, R.H. Petipas, P.A.G. Soneral, S. Watters, D. Wassenberg, S.L.Weiss, A. Yonas, K.R. Zamudio, S. Cotner. 2019. Smaller classes promote equitable student participation in STEM. Bioscience 69. 669-680.
Gonzalez, J., R.H. Petipas, A.K. Brody. 2018. Herbivore removal reduces influence of arbuscular mycorrhizal fungi on plant growth and tolerance in an East African savanna. Oecologia: 1-11.
Petipas, R.H., J. Gonzalez, and A.K. Brody. 2015. Habitat-specific AMF symbioses enhance drought tolerance of a native Kenyan grass. Acta Oecologica 78: 71-78.
Petipas, R.H. and A.K. Brody. 2014. Termites and ungulates affect arbuscular mycorrhizal richness and infectivity in a semi-arid savanna. Botany 92: 233-240.
Fournier-Level, A, A.M. Wilczek, M.D. Cooper, J.L. Roe, J. Anderson, D. Eaton, B.T. Moyers, R.H. Petipas,R.N. Schaeffer, B. Pieper, M. Reymond, M. Koornneef, S.M. Welch, D.L. Remington, J. Schmitt. 2013. Paths to selection on life history loci in different natural environments across the native range of Arabidopsis thaliana. Molecular Ecology 22: 3552-3566.
Wilczek, A.M., J.L. Roe, M.C. Knapp, M.D. Cooper,C. Lopez-Gallego,L.J. Martin, C.D. Muir,S. Sim,A. Walker,J. Anderson,J.F. Egan,B.T. Moyers,R. Petipas,A. Giakountis, E. Charbit,G. Coupland,S.M. Welch,J. Schmitt.2009. Effects of genetic perturbation on seasonal life history plasticity. Science 323: 930-934.
Book Reviews Petipas, R.H. and Eisen, K. 2016. Roots and shoots of plant evolutionary ecology. Trends in Ecology and Evolution 31: 409-410.
Honors and awards
External Research Awards Postdoctoral Research Fellowship: United States Department of Agriculture Postdoctoral Research Fellowship in Biology: National Science Foundation Lewis and Clark Fund for Field Research: American Philosophical Society Student Research Award: American Society of Naturalists Rosemary Grant Award: Society for the Study of Evolution Graduate Student Research Award: Botanical Society of America
Internal Research Awards Provost Diversity Fellowship: Cornell University Betty Miller Francis Award: Cornell Dept. Ecology and Evol. Biol. Clinton Dewitt Smith Fellowship: Cornell University Lloyd W. Hawkensen Forestry Scholarship: University of New Hampshire
Teaching Awards Ecology and Evolution Teaching Award: Cornell Dept. Ecology and Evol. Biol.
Oral Presentation Awards Robert H. Whittaker Award: Cornell Dept. Ecology and Evol. Biol. Book Award: Cornell Dept. Ecology and Evol. Biol.